16-letter words containing p, i, e, f

free enterpriser — a person who practices or advocates free enterprise.
free perspective — exaggeration of perspectival devices to increase the illusion of depth, used especially in stage-set painting and construction.
french polynesia — a French overseas territory in the S Pacific, including the Society Islands, Marquesas Islands, and other scattered island groups. 1544 sq. mi. (4000 sq. km). Capital: Papeete.
fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
front projection — a display system that projects an enlarged television picture on the front surface of a reflective screen.
frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries
fuel consumption — use of a material to generate power
furniture polish — product: shines wood
gender-profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
go-faster stripe — a decorative line, intended to be suggestive of high speed, on the bodywork of a car
grapefruit juice — nectar of the grapefruit
grim file reaper — (storage, operating system) (GFR) An ITS and LISP Machine utility to remove files according to some program-automated or semi-automatic manual procedure, especially one designed to reclaim mass storage space or reduce name-space clutter (the original GFR actually moved files to tape). See also prowler, reaper. Compare GC, which discards only provably worthless stuff.
group identifier — (operating system) (gid) A unique number, between 0 an 32767, identifying a set of users under Unix. Gids are found in the /etc/passwd and /etc/group databases (or their NIS equivalents) and one is also associated with each file, indicating the group to which its group permissions apply.
half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
haptic interface — (interface, hardware) A touch interface to a computer that provides feedback, such as a data glove.
head post office — the main post office in a town
high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
high-performance — A high-performance car or other product goes very fast or does a lot.
hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
house of worship — house of God.
hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.
hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
imperfect flower — a unisexual flower with only stamens or only pistils
imperfect fungus — a fungus for which only the asexual reproductive stage is known, as any fungus of the Fungi imperfecti.
imperfect market — a market where buyers or sellers can influence the market, and there is a lack of product information
imperfectability — The quality of not being perfectable; of being forever imperfect.
imperfectibility — The state or quality of being imperfectible.
imperfectiveness — (grammar) The state or quality of being imperfective.
infinite product — a sequence of numbers in which an infinite number of terms are multiplied together.
isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
left parenthesis — (character) "(". ASCII character 40. Common names: left paren; left parenthesis; left; open; paren (")" = thesis); open paren; open parenthesis; left parenthesis; left banana. Rare: so (")" = already); lparen; ITU-T: opening parenthesis; open round bracket, left round bracket, INTERCAL: wax (")" = wane); parenthisey (")" = unparenthisey); left ear. Paired with right parenthesis (")").
line of position — a line connecting all the possible positions of a ship or aircraft, as determined by a single observation. Abbreviation: LOP.
liver of sulphur — a mixture of potassium sulphides used as a fungicide and insecticide and in the treatment of skin diseases
make a pitch for — to give verbal support to
matthew of paris — c1200–59, English chronicler.
misspecification — An incorrect specification.
multiple factors — polygene.
multiple fission — fission into more than two new organisms.
newspaper office — an office where the editorial and production staff of a newspaper work
nonprofessionals — Plural form of nonprofessional.
nonproliferation — the action or practice of curbing or controlling an excessive, rapid spread: nonproliferation of nuclear weapons.
north plainfield — a city in NE New Jersey.
offensive weapon — an instrument designed to be used in attack, or an object which may be used in attack
on-the-spot fine — a fine that is charged immediately upon being caught and found guilty of a crime
open-die forging — Open-die forging is a forging process in which the flow of metal is not kept completely in the die.
operating profit — the profit of a company, etc, after it deducts its operating costs or the costs necessary to conduct the business
outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
paraprofessional — a person trained to assist a doctor, lawyer, teacher, or other professional, but not licensed to practice in the profession.
parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire

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